2. Natalie De Koker, Lindsay Haley, Jordan Lunda, Matty Ott

3. Virtual Private Networks

4. PPTP VPNs Point-to-Point Tunneling Protocol (PPTP) – PPTP uses a control channel over TCP – PPTP was the first VPN protocol that was supported by Microsoft Dial-up Networking – Many security vulnerabilities found; no longer recommended by Microsoft

5. L2TP & SSL VPN’s Layer 2 Tunneling Protocol (L2TP) – VPN Concentrator (LAC) – LNS – Site-to-site VPN connection – Uses IPSec for security of connection

6. L2TP & SSL VPN’s SSL VPNs – Other options than PPTP and L2TP. OpenVPN Pure IPSec connections are possible. – Security encoded directly into application

7. Virtual LANs Security CamerasUsers Printers VoIP Phones

8. Virtual LANs Users Printers Security Cams Phones

9. Virtual LANs

10. Trunk port Trunking Sw-1 Sw-2 Router Trunk

11. Virtual Trunk Protocol (VTP) Trunking Sw-1Sw-4 Sw-2 Sw-3

12. Configuring a VLAN-capable Switch Managed Switch

13. Configuring a VLAN-capable Switch

14. InterVLAN Routing Mr. Roger’s House, VLAN 100 Neighborhood of Make-Believe, VLAN 101

15. Multilayer Switches Load Balancing QoS and Traffic Shaping Network Protection

16. Load Balancing

17. Multilayer Switch Using a multilayer or content switch –Content Switch

18. QoS & Traffic Shaping Quality of service (QoS) Traffic Shaping

19. Network Protection Intrusion Detection/Prevention –Intrusion Detection System (IDS) –Intrusion Prevention System (IPS) Port Mirroring Proxy Servers Port Authentication

20. Questions?